- 1a day of the week when students go to school I get up very early on schooldays.
- 2the hours during which school is open The schoolday ends at 3:00 p.m.
- 3the part of the day that students spend at school Her schoolday started with a math test.
- 4schooldays [plural] the period in your life when you go to school She hadn't seen Laura since her schooldays. Her schooldays had definitely not been the happiest days of her life.
Check pronunciation: schoolday